Sunday

February 1, 2015

February 1, 2015

Posted by **Anonymous** on Monday, February 18, 2013 at 10:52am.

- College Algebra -
**JJ**, Monday, February 18, 2013 at 11:35amI know how to do this with calculus, but algebraically it starts the same way.

L + 2W = 800 L = 800 - 2w

A = LW

A= (800-2w)w

A = 800w - 2w^2

Take the derivative: 800 -4w

800 -4w = 0 to find max.

800 = 4w

200 =w

l = 400

- College Algebra -
**Anonymous please help :)**, Monday, February 18, 2013 at 11:43amThank you!

- College Algebra -
**Yan**, Thursday, August 14, 2014 at 10:17amHow did it become 800-4w from 2400-2w^2?

**Answer this Question**

**Related Questions**

Algebra - You have 600 feet of fencing to enclose a rectangular plot that ...

Math - You have 192 feet of fencing to enclose a rectangular plot that borders ...

Math - Show all work You have 92 feet of fencing to enclose a rectangular plot ...

Math - A farmer with 8000 meters of fencing wants to enclose a rectangular plot ...

college Algebra - A rectangular fence is to be built along a river using the ...

Algebra - Word Problems: 1. A farmer has 2400 feet of fencing and wants to fence...

intermediate algebra - A farmer with 3000 feet of fencing wants to enclose a ...

Math - The owner of the Rancho Grande has 3028 yd of fencing with which to ...

Math - The owner of the Rancho Grande has 3028 yd of fencing with which to ...

Pre Calculus - A contractor is to fence off a rectangular field along a straight...